详解小程序之简单登录注册表单验证

function regexConfig() { var reg = {  userid: /^[A-Za-z0-9]+$/, //邮箱正则验证  phone: /^1(3|4|5|7|8)/d{9}$/, //手机号正则验证  cards: /^[/u4e00-/u9fa5]{2,4}$/ //姓名汉字正则验证 } return reg;}module.exports = { formatTime: formatTime, regexConfig: regexConfig}

<form bindsubmit="formSubmit">  <view class="input-area">   <view class="input-log">     <image class="userinfo-logIcon" src="{{logIcon}}"></image>     <input id="username" name="username" maxlength='4' type="text" placeholder="姓名" />   </view>   <view class="input-log">    <image class="userinfo-logIcon" src="{{pwdIcon}}"></image>     <input id="password" name="password" type="number" maxlength="11" placeholder="手机号" />   </view>  </view>  <view class="btn-area">    <button open-type="getUserInfo" lang="zh_CN" bindgetuserinfo="onGotUserInfo" disabled="{{disabled}}" style="background-color:{{loginBtnBgBgColor}}" formType="submit" loading="{{btnLoading}}"> {{loginBtnTxt}} </button>  </view></form><text class='tips' style=''>注意：只有在职人员方可登录</text>

var util = require("../../utils/util.js");var myMessage="";Page({ data:{  loginBtnTxt:"登录",  myMessage:"",  loginBtnBgBgColor:"#0099FF",  btnLoading:false,  disabled:false,  inputUserName: '',  inputPassword: '',  avatarUrl:"../../images/logo.jpg",  logIcon:"../../images/logIcon.png",  pwdIcon:"../../images/pwdIcon.png",  curNav: 1,  curIndex: 0 },  onLoad:function(options){  // 页面初始化 options为页面跳转所带来的参数  wx.clearStorageSync();  //清除缓存 }, formSubmit:function(e){ //form提交内容 对登录信息做判断  var param = e.detail.value;  this.mysubmit(param);  console.log("登录页提交",param)   }, mysubmit:function (param){  //验证帐号密码输入信息完整度  var flag = this.checkUserName(param) && this.checkPassword(param);  console.log('信息填写',flag)  if(flag){    this.setLoginData1();    this.checkUserInfo(param);  }  }, setLoginData1:function(){ //登录态提示  this.setData({   loginBtnTxt:"登录中",   disabled: !this.data.disabled,   loginBtnBgBgColor:"#999",   btnLoading:!this.data.btnLoading  }); }, setLoginData2:function(){  this.setData({   loginBtnTxt:"登录",   disabled: !this.data.disabled,    loginBtnBgBgColor:"#0099FF",   btnLoading:!this.data.btnLoading  }); }, checkUserName:function(param){  var userid = util.regexConfig().cards; //姓名正则检验  var inputUserName = param.username.trim(); //输入信息确认  var wellname = param.username.length; //字符长度确认  console.log(inputUserName, wellname)  if (userid.test(inputUserName) ){ //xxx.test是检测函数。   return true;  }else{   wx.showModal({    title: '提示',    showCancel:false,    content: '姓名输入错误'   });   return false;  } }, checkPassword:function(param){  var phone = util.regexConfig().phone; //校验手机号  var inputPassword = param.password.trim(); //核对输入手机号  var password = param.password.length;  if (phone.test(inputPassword) && password == 11 ){ //验证手机号格式及长度   return true;  }else{   wx.showModal({    title: '提示',    showCancel: false,    content: '手机号输入错误'   });   return false;  } }, checkUserInfo:function(param){  var username = param.username.trim();  var password = param.password.trim();  var goodname = param.username;  //提取帐号  var goodpass = param.password;  //提取密码  var that = this;  if (username == goodname && password == goodpass){ //无需存贮，只为验证    setTimeout(function(){     wx.showToast({      title: '',      icon: 'success',      duration: 1500     });     that.setLoginData2();     that.redirectTo(param);    },2000);  }else{   wx.showModal({    title: '提示',    showCancel:false,    content: '信息有误，请重新输入'   });   this.setLoginData2();  } }, redirectTo:function(param){  //需要将param转换为字符串  param = JSON.stringify(param);  wx.redirectTo({   url: '../main/index?param='+ param//参数只能是字符串形式，不能为json对象  }) }, onGotUserInfo: function (e) { //授权过后不再调起   // console.log(e.detail.errMsg)   console.log(e.detail.userInfo)  var tip = e.detail.userInfo;  if (tip == undefined){   wx.redirectTo({    url: '../login/index',   })  }else{   wx.setStorage({  //存储数据并准备发送给下一页使用    key: "myMessage",    data: e.detail.userInfo,   })  } }, })